Tool-holder.



C. GEIGER. TOL HOLDER.

PPLIOATIOH FILED m10. 1e. 1912.

1,076,971V l Patented 0015.281913 nl t Vlijmen@ t nlllllllltlllll .tu Z-ll Application filed December lG, w12.

To all? w/lom may cof/wem Be it known that l, CHARLES, Gummi, :1 citizen 0f 'the United Stetten of America, le siding at St. Joseph, in the county nf Btu chaman and State el lllsnonr, have nwented eeitun new and useful lxnprnvement in 'llofyllleldere, elf which the following is a speeicutien. f

The nur el my intention is te provide e. smglwl lnsrununl: tlnouggh the nee of which more Speedy and tllernupgh 'wenn ezln luz accomplished ln .bone surgery. .l attain this objenthy the meclmnsln illustrated in the :accompanying dmwlnnje, in which Figure lf is un `elevation dit an eleetl'le motor with the lnstlumentprovided with u drill attached ln operative postnn; Fig. 2 is en enlzat'gged detail, broken away, 'elle Yfing el hand niece; lling. 3 .is an sectnn of n on the Shaft and menne lo hold tlle device steady; Fig. 2lie en. elemt'mn of a reameno nur; 5 is n.11 elemn tion of a suw ready to ne placed in opl-relive position, und Fig', 6 ls un enlarged perspective et the slulnk for ft drill, new, 0r lreuuxer.

Similar letters 'efer to smilm.' parte throughout the seveml vlews.

ln the dmwngs il is en n'thnury electric meterpnevlded W'lth. nu ndjnntulle handle El', und the motor snuit.

C z: ellulltwhich felipe even the end. nl metri Shall;

C" l s screw n' 'f mug-n.2.. und elmjft C ell mul ol .Quid sllmlt prevents the sleeve Sliding ull. Suid .elleeve lnltvuys femmine stallen my, und lle ni'f-ff tlleenlf te Steady e, nuwe kunnen of dlll l'aetruuufnt wlnle ln @perm Sne'olnc'atm: al matters Patent.

enlarged detail lllntented lllntn Serial no. Wannee.

E indicates a drill and H is a sintnl: which is adapted to be nsextednto the end of.' chuck 01' shall; (l. Said shaft is provided *with u longitudinal groove E .from the outer end of which n tapered key hole a eX* tends inte lille shalt, as shown in l41 2 mul 5. ln elongated flat spring .l is seated .in groeve lll and 'lgdly vfaetened zu, its nnel` end. in said groove by rivet l o1' otlflel .Suitable menneu ll. tapered loelf key tl' ls; rigidly attnelled en the autel' end of seid sprne'. ".lhel'e is else a cmnnlementm'y tnpeed key hele e in shank ll.

l? is at ring; which turns with slmlfl; C and which is sllduble overt' spring l..

l is u crass Slot cut halt' Way throngltthe 0nd of shaft, C on thc, side opposite said longitudinal gnome Shank H has e beveled tongue 7., und a, Slantng channel il' tlleefroln up to the top of Said Complementuxy key hole e. When fing F is Shaved uutwzud over spring .l ley J is dawn into engagement with both hole e und complementary holeeend the shawl; le held in rigid engagement with shaft C; when the ring is shoved back the spring thrown the key out of engagement with the cmnplemenn tmy hele e und the Shank muy be withdrnwn. The urnes slet l is umile order tn onen up u passage fur eujlugl'l :lute elmel; er end. nl the shaft to nennlt beveled tong-ue fl to slip t2-u enough in te pleveiill; tl e fslnmli.: ttu'ldng 'ln the eluwff Hmm the foregoing' de, Stluetien of the devine it A d1un il: can be quickly and easily f llsannnnntnd Einem the meter :md elan tellen 't to mit slerllzlng; und cleansing, r lfm? purpose.

llllat l claim and desire to Secam Le:- ters Patent ist* ln n surgneel instrumen the eelnlnutlnn with sull-able Operating Ineens, el uf lille outer end of which is provided cross slet, an eppnel' g-.wgt'new'e und u tz liey hele., an elunguted Seul" groeve? its inner end nl ted to en y tnpeed loclt key will?. lmud nl fu,

nella lv new El tl 

